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YuruToot/app/services/process_mentions_service.rb
Eugen Rochko 658cbc9425
Improve PostStatusService performance (#7317)
Offload creation of local notifications to a worker. Remove two
redundant SQL queries from ProcessMentionsService, remove n+1
XML/JSON serialization via memoization
2018-05-02 22:10:57 +02:00

74 lines
2.3 KiB
Ruby

# frozen_string_literal: true
class ProcessMentionsService < BaseService
include StreamEntryRenderer
# Scan status for mentions and fetch remote mentioned users, create
# local mention pointers, send Salmon notifications to mentioned
# remote users
# @param [Status] status
def call(status)
return unless status.local?
@status = status
mentions = []
status.text = status.text.gsub(Account::MENTION_RE) do |match|
username, domain = Regexp.last_match(1).split('@')
mentioned_account = Account.find_remote(username, domain)
if mention_undeliverable?(mentioned_account)
begin
mentioned_account = resolve_account_service.call(Regexp.last_match(1))
rescue Goldfinger::Error, HTTP::Error, OpenSSL::SSL::SSLError, Mastodon::UnexpectedResponseError
mentioned_account = nil
end
end
next match if mention_undeliverable?(mentioned_account)
mentions << mentioned_account.mentions.where(status: status).first_or_create(status: status)
"@#{mentioned_account.acct}"
end
status.save!
mentions.each { |mention| create_notification(mention) }
end
private
def mention_undeliverable?(mentioned_account)
mentioned_account.nil? || (!mentioned_account.local? && mentioned_account.ostatus? && @status.stream_entry.hidden?)
end
def create_notification(mention)
mentioned_account = mention.account
if mentioned_account.local?
LocalNotificationWorker.perform_async(mention.id)
elsif mentioned_account.ostatus? && !@status.stream_entry.hidden?
NotificationWorker.perform_async(ostatus_xml, @status.account_id, mentioned_account.id)
elsif mentioned_account.activitypub?
ActivityPub::DeliveryWorker.perform_async(activitypub_json, mention.status.account_id, mentioned_account.inbox_url)
end
end
def ostatus_xml
@ostatus_xml ||= stream_entry_to_xml(@status.stream_entry)
end
def activitypub_json
@activitypub_json ||= Oj.dump(ActivityPub::LinkedDataSignature.new(ActiveModelSerializers::SerializableResource.new(
@status,
serializer: ActivityPub::ActivitySerializer,
adapter: ActivityPub::Adapter
).as_json).sign!(@status.account))
end
def resolve_account_service
ResolveAccountService.new
end
end